UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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A 20 m chain was found to be 10 cm too long after chaining a distance of 2000 m. It was found to be 18 cm too long at the end of the day's work after chaining a total distance of 4000 m. What is the true distance if the chain was correct before the commencement of the day's work ?

3962 m

4019 m

3981 m

4038 m

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